EM Fly brain (video) Howard Hughes Medical Institute Share Print E-Mail Loading video... Caption Janelia scientists imaged more than 7,000 slices of the adult female fly brain, capturing and stitching together 21 million electron microscopy images. Credit Steven A. Calle-Schuler/Janelia Research Campus Usage Restrictions Must use credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.